Plantronics Best Five Headsets/Headset Accessories November 2012 1) A10- Direct Cable – The A10 direct connect cable is compatible with most phones that have a dedicated jack. This direct-connect cable is less expensive than an M22 Amplifier and will take up less space on your desk. 2) HL10 Handset Lifter – The HL10 Handset Lifter for the times you are away from your … Continued